212099697713 has 2 divisors, whose sum is σ = 212099697714. Its totient is φ = 212099697712.

The previous prime is 212099697683. The next prime is 212099697739. The reversal of 212099697713 is 317796990212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184511484304 + 27588213409 = 429548^2 + 166097^2 .

It is a cyclic number.

It is not a de Polignac number, because 212099697713 - 2¹⁶ = 212099632177 is a prime.

It is not a weakly prime, because it can be changed into another prime (212099697743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106049848856 + 106049848857.

It is an arithmetic number, because the mean of its divisors is an integer number (106049848857).

Almost surely, 2^212099697713 is an apocalyptic number.

It is an amenable number.

212099697713 is a deficient number, since it is larger than the sum of its proper divisors (1).

212099697713 is an equidigital number, since it uses as much as digits as its factorization.

212099697713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2571912, while the sum is 56.

The spelling of 212099697713 in words is "two hundred twelve billion, ninety-nine million, six hundred ninety-seven thousand, seven hundred thirteen".